1. hypercorrect - Adjective
2. hypercorrect - Verb
hypercorrect (comparative more hypercorrect, superlative most hypercorrect)
(linguistics) Nonstandard because of a mistaken idea of standard usage.
(transitive, linguistics) To change (a word or phrase) to a nonstandard form in the mistaken belief that it is standard usage.
(transitive, rare) To correct excessively.
Source: en.wiktionary.org